Table 1.

Correlation between pelvic incidence and age

	All group		< 40 years old		40–60 years old		> 60 years old
	N = 320		N = 127		N = 128		N = 65
	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Age	46.17	15.84	29.14	5.58	52.26	5.19	67.43	5.30
PI	44.97	8.52	43.50	7.39	45.98	8.78	45.86	9.70
r	0.142*		0.094		− 0.055		0.220
p value	0.011		0.293		0.539		0.078

*Statistically significant correlation coefficient (p < 0.05)